Subdomain Lookup (2024)

1. Free subdomain finder online 🛡️ find subdomains of domain

  • Use the free subdomain scanner to lookup and check all the subdomains of a domain. Check how many sub domains you can find to map your attack surface.

Free subdomain finder online 🛡️ find subdomains of domain

2. - dns recon and research, find and lookup dns records

  • More than a simple DNS lookup this tool will discover those hard to find sub-domains and web hosts. The search relies on data from our crawls of the Alexa ...

  • Find dns records in order to identify the Internet footprint of an organization. Recon that enables deeper security assessments and discovery of the attack surface.

3. Subdomain Finder -

4. Subdomains Lookup | Find all subdomains | WhoisXML API

  • Learn more · Subdomains Lookup API · Domains & Subdomains · Pricing

  • Find all the subdomains of a domain with our subdomain finder tools. Access 2.3+ billion subdomains from 10+ years of data crawling. Get started today.

Subdomains Lookup | Find all subdomains | WhoisXML API

5. Find DNS Host Records | Subdomain Finder -

  • Enter a domain name and search for all subdomains associated with that domain. A handy reconnaissance tool when assessing an organisations security.

  • Online tool to enumerate subdomains of a domain. Find host records for a domain during the discovery phase of a security assessment or penetration test.

6. Free Subdomain Finder: Find all Subdomains of a Website

  • Free subdomain scanner can help find all website subdomains and get additional information like traffic share or the number of keywords.

Free Subdomain Finder: Find all Subdomains of a Website

7. Subdomain finder - 9 Enumerating tools hosted online

  • Online Subdomain finder using Sublist3r, DNscan, Nmap,Anubis, Amass. Discover subdomains of target domain with this hosted tools.

  • offers Online network penetration and mapping tool for penetration testers and System administrators.

Subdomain finder - 9 Enumerating tools hosted online

8. How to find Subdomains of a Domain in Minutes? - Geekflare

  • 3 dagen geleden · WhoisXML Subdomain Lookup is a part of the Domain Research Suite (DRS). It helps you discover a comprehensive list of subdomains associated with ...

  • Having an unsecured subdomain can lead to a serious risk to your business. Here are some tools to find any website's subdomains.

How to find Subdomains of a Domain in Minutes? - Geekflare

9. Find Subdomains of Website -

  • Want to find subdomains? check and search subdomains of a website with these lookup tools. ... subdomain's name is placed at the front of the main domain ...

  • Want to find subdomains? check and search subdomains of a website with these lookup tools

Find Subdomains of Website -
Subdomain Lookup (2024)


What is subdomain lookup? ›

A Subdomain Finder is a subdomain enumeration tool that helps you discover subdomain hosts (aka subdomain FQDNs) which serve specific functions for your target (e.g. hosting public websites, private subdomains for testing web apps, URLs where you can find backups, etc.).

What is subdomain hijacking? ›

It's a cyber threat executed when an attacker gains control of a legitimate subdomain that's no longer in use, then cleverly exploits the forgotten or misconfigured dangling DNS to host their own content on the previously used zone.

How does subdomain finder work? ›

Subdomain Finder scans the DNS records and supplementary databases to analyze the domain's hierarchy. Our subdomain scanner checks: DNS records (NS, MX, TXT, AXFR)

Is subdomain enumeration legal? ›

This type of subdomain enumeration is resource-intensive and may have legal and ethical implications since sending large requests to a target domain is required. Because of its intrusive nature, active subdomain enumeration may trigger security alerts.

What is an example of a subdomain? ›

In the Domain Name System (DNS) hierarchy, a subdomain is a domain that is a part of another (main) domain. For example, if a domain offered an online store as part of their website , it might use the subdomain .

What is the purpose of a subdomain? ›

A subdomain is, as the name would suggest, an additional section of your main domain name. You create subdomains to help organize and navigate to different sections of your main website. Within your main domain, you can have as many subdomains as necessary to get to all of the different pages of your website.

What can hackers do with subdomains? ›

Subdomain takeover is essentially DNS spoofing for a specific domain across the internet, allowing attackers to set A records for a domain, leading browsers to display content from the attacker's server. This transparency in browsers makes domains prone to phishing.

Is subdomain takeover illegal? ›

Subdomain takeover can have severe legal implications, as attackers may engage in illegal activities or host malicious content on compromised subdomains.

What is subdomain spoofing? ›

Attackers can impersonate legitimate domain names by creating similar domain names or subdomains that look similar to the real ones. For example, an attacker could create a fake domain name “” with three “o's” instead of two, making it difficult for the victim to distinguish it from the real Google website.

Do subdomains show up on Google search? ›

The short answer is yes, Google can and will index and rank subdomains unless you explicitly take steps to ensure they're excluded from its index. Google's entire business model is based on discovering content. The same goes for all search engines.

What is subdomain scanning? ›

Subdomain scanning is a process of identifying subdomains for a given domain. This can be useful for a number of reasons, such as identifying subdomains that may be vulnerable to attack or finding subdomains that contain sensitive information.

What is a tracking subdomain? ›

A tracking domain is a secondary (or sub) domain name related to your original domain. It allows Apollo to redirect a tracking pixel added to emails to track opens, clicks, and unsubscribes. Tracking pixels are often flagged as spam.

Can a subdomain be malicious? ›

Phishing: SubdoMailing attackers use compromised subdomains to send massive amounts of spam emails. These emails can appear legitimate, tricking recipients into clicking malicious links or opening attachments.

Why is subdomain not secure? ›

to secure a subdomain you need to either generate a new certificate for each subdomain or use a wildcard SSL certificate. A wildcard SSL certificate will automatically secure the main domain and all subdomains. A wildcard SSL certificate can be generated by using the Let's Encrypt DNS verification method.

Do I own a subdomain if I own a domain? ›

Yes. When you purchase the root domain, you can set up any subdomain you want on that root domain. Before you use Google Search Console (used to be Google Webmaster Tool), you should set up your site so that all traffic going to the root domain gets redirected to the www version.

What is the difference between a URL and a subdomain? ›

Regular domains are your standard URLs like or splashthat. events. Subdomains are a unique URL that lives on your purchased domain as an extension in front of your regular domain like or

What is the difference between a website and a subdomain? ›

The domain is the highest level in the website address hierarchy. Subdomains are secondary domains that are part of the primary domain. For instance, in "," "blog" is the subdomain of the "" domain. Subdomains allow you to divide sections of a website under the umbrella of the main domain.

How do I know if something is a subdomain? ›

In the example, com is the TLD and hubspot is the SLD. The subdomain is what goes before the SLD.

What is an example of a subdomain in SEO? ›

A subdomain is an extended part of your domain name that's built for a specific purpose. And acts as a separate site. For example, you can create a subdomain like to host your blog content.

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